根据汉语或首字母提示，写出下列单词
1．Drivers are advised to take extra (额外的) care.
2．She attached (附上) a few words to the end of the letter，and then mailed it out.
3．The chairman's speech will be broadcast (广播) nationwide.
4. The passerby (过路人) was very grateful to us for directing him when he was lost.
5．They said goodbye to the villagers，with tears rolling(滚动) down their cheeks.
6．After living in America for many years，he becomes very familiar with the custom there.
7．Jane pretended to be happy before her parents as if nothing had happened between her and her husband.
8．They have formed an organization to protect endangered species，such as the Tibetan antelopes.
9．As a teacher，she had earned the respect of her students.
10．Hangzhou is considered to be one of the most attractive places in China.
